Home / 743,048.05-1,025,720.21-501,657.59

Finding the Fourth Proportional to 743,048.05, 1,025,720.21 and 501,657.59

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Solution

The fourth proportional to 743,048.05, 1,025,720.21 and 501,657.59 is: 692,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,048.05 : 1,025,720.21 = 501,657.59 : x
  2. Step 2: Convert to fraction form
    743,048.05/1,025,720.21 = 501,657.59/x
  3. Step 3: Cross multiply
    743,048.05x = 1,025,720.21 × 501,657.59
  4. Step 4: Simplify right side
    743,048.05x = 514,560,328,562.89
  5. Step 5: Solve for x
    x = 514,560,328,562.89/743,048.05
  6. Step 6: Final answer
    x = 692,499.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.